Calibre Search is organizing a sponsored walk up Whernside in Yorkshire Dales on March 23rd, 2013 to raise 贈200 for the international disaster relief charity RedR. RedR trains aid workers and provides professionals to help people affected by natural and man-made disasters in over 80 countries worldwide. The walk will go up Whernside, the highest hill in Yorkshire Dales at 736 meters, which is one of the Three Peaks of Yorkshire. Participants should bring suitable hiking gear, waterproofs, water, lunch and a change of dry clothes.